we also sell only high-quality products?"Service first, quality first" principle. Our company is the potentiometer, Life is as high as 100 thousand , In China, a large number of customers use it WTH118 adjustable resistance single-ring carbon film potentiometer Shaft diameter : 6MM Standard axis length : 20MM Outside diameter : 28MM Resistance to fairness error : ± 10% Mechanical angle : 300 ° Temperature range : -10 ° C 10 85 ° C Rotational life : 100000 rpm Power : 2W